Home / 40,590.52-60,891.70-12,512.92

Finding the Fourth Proportional to 40,590.52, 60,891.70 and 12,512.92

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Solution

The fourth proportional to 40,590.52, 60,891.70 and 12,512.92 is: 18,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,590.52 : 60,891.70 = 12,512.92 : x
  2. Step 2: Convert to fraction form
    40,590.52/60,891.70 = 12,512.92/x
  3. Step 3: Cross multiply
    40,590.52x = 60,891.70 × 12,512.92
  4. Step 4: Simplify right side
    40,590.52x = 761,932,970.76
  5. Step 5: Solve for x
    x = 761,932,970.76/40,590.52
  6. Step 6: Final answer
    x = 18,771.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.